Phthalocyanine Based Anti-Corrosive Materials
Because of the thermal, chemical and optical stability and the formation of an aligned crystalline film phthalocyanine derivatives have found applications as photovoltaic cells, solar cells, sensor electrodes, drug release systems, gas detectors and electroactive devices [6-9].
In this work, Metal free phthalocyanine grafted polypyrrole and cobalt metallated phthalocyanine grafted polypyrrole nanofibers were successfully collected onto Staineless Steel SAE 1020 (UNS G10200) by means of electrospinning technique. The anti-corrosion performance of the final system has been evaluated in 3 wt.% NaCl solution by means of Electrochemical Impedance Spectroscopy (EIS) and Tafel measurements. Different methods were used to characterize the obtained fibers. Fourier-transform infrared spectroscopy, Scanning electron microscope and polarized optical microscope were used for their morphological characterization, while electrical behaviors of the nanofibers were characterized by direct current and electrochemical impedance spectroscopy measurements.
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